CVE-2017-18834

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-20 · updated 2026-06-17
Weakness: CWE-79

Description

Certain NETGEAR devices are affected by reflected XSS. This affects M4300-28G before 12.0.2.15, M4300-52G before 12.0.2.15, M4300-28G-POE+ before 12.0.2.15, M4300-52G-POE+ before 12.0.2.15, M4300-8X8F before 12.0.2.15, M4300-12X12F before 12.0.2.15, M4300-24X24F before 12.0.2.15, M4300-24X before 12.0.2.15, M4300-48X before 12.0.2.15, and M4200 before 12.0.2.15.

Affected products

NETGEAR M4200 Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-12X12F Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-24X24F Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-24X Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-28G-Poe+ Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-28G Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-48X Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-52G-Poe+ Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-52G Firmware: before 12.0.2.15 — fixed in 12.0.2.15
NETGEAR M4300-8X8F Firmware: before 12.0.2.15 — fixed in 12.0.2.15

How to fix

Upgrade to a fixed version: NETGEAR M4200 Firmware 12.0.2.15; NETGEAR M4300-12X12F Firmware 12.0.2.15; NETGEAR M4300-24X24F Firmware 12.0.2.15; NETGEAR M4300-24X Firmware 12.0.2.15; NETGEAR M4300-28G-Poe+ Firmware 12.0.2.15; NETGEAR M4300-28G Firmware 12.0.2.15; NETGEAR M4300-48X Firmware 12.0.2.15; NETGEAR M4300-52G-Poe+ Firmware 12.0.2.15; NETGEAR M4300-52G Firmware 12.0.2.15; NETGEAR M4300-8X8F Firmware 12.0.2.15. Check the vendor advisory for mitigations.

References

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